Question

4. Join Q and S in the adjoining figure and prove
that angleP + angleQ + angelR + angleS = 360°​

Answer 1

Answer:

hi mate Here is your answer

Step-by-step explanation:

• in ∆ QRS : angle R + angle RQS + angleRSQ=180⁰
• In ∆ QPS : angle P + angle PSQ + anglePQS=180⁰
• add these equations
• angleR + angleRQS + anglePQS + angleRSQ + anglePSQ + angleP = 360⁰
• angleR + angleQ + angleS + angleP = 360⁰
• Hence prooved.

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